Dothideomycetes families incertae sedis » Stomatogeneceae

Stomatogene

Stomatogene Theiss., Annls mycol. 14(6): 406 (1917) [1916].

Index Fungorum number: IF 5270; Facesoffungi number: FoF 03704, 4 morphological species (Species Fungorum 2022), no molecular data available.

Parasitic on living leaves, superficial, with large colonies, subcircular, irregular, with numerous dark brown mycelia, radiating outwards, flexuous, septate. Sexual morph: Ascomata superficial, semi-immersed at the base, with a basal hypostroma developing in the host tissue, gregarious, solitary, globose to subglobose, black, with apical pore, surrounded by dark brown mycelium. Peridium comprising 3–4 layers of dark pigmented cells of textura angularis, lacking pseudoparaphyses. Asci 8-spored, bitunicate, fissitunicate, subglobose, broadly ovoid to subclavate, apically thickened, with an ocular chamber, pedicel knob-like. Ascospores multi-seriate, ellipsoidal oblong, upper cell slightly broader and shorter than lower cell, uniseptate, hyaline when immature and brown at maturity, with granulate cells, verruculose, verrucose or smooth-walled. Asexual morph: Unknown (adapted from Boonmee et al. 2017).

 Type species: Stomatogene agaves (Ellis & Everh.) Theiss.

Notes: Stomatogene is characterised by superficial globose to subglobose semi-immersed ascomata, broadly ovoid to subclavate asci, and multi-seriate, ellipsoidal oblonguniseptate, hyaline to brown ascospores. Theissen (1916) placed Stomatogene in Perisporiaceae based on morphology. Eriksson et al. (2001) transferred Stomatogene to Parodiopsidaceae and this was followed by Kirk et al. (2008), Lumbsch and Huhndorf (2010) and Hyde et al. (2013). Boonmee et al. (2017) re-examined the authentic specimen of S. agaves (NY 02977047) and placed Stomatogene in a new family Stomatogeneceae. Stomatogene is a distinct genus in Stomatogeneceae but molecular data is needed to confirm this taxonomic placement.

 

Recent News

Recent paper to be published

Recent Genus

Nothocladosporium
Phillipsiella
Curreya

Recent Species

Nothocladosporium syzygii
Phillipsiella atra
Curreya conorum